[1] Inst Expt Neurol, Div Neurosci, Neuroimaging Res Unit, Milan, Italy
[2] Dept Neurol, Milan, Italy
[3] Univ Vita Salute San Raffaele, San Raffaele Sci Inst, Dept Neuroradiol, Milan, Italy
[4] IRCCS Osped Casa Sollievo Sofferenza, Biostat Unit, San Giovanni Rotondo, Italy